<template>
  <div class="app-container">
    <el-form v-show="showSearch" ref="queryForm" :inline="true" :model="queryParams">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          clearable
          placeholder="请输入菜单名称"
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" clearable placeholder="菜单状态" size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search" size="mini" type="primary" @click="handleQuery">
          搜索
        </el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">
          重置
        </el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:menu:add']"
          icon="el-icon-plus"
          plain
          size="mini"
          type="primary"
          @click="handleAdd"
        >
          新增
        </el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
      row-key="id"
    >
      <el-table-column :show-overflow-tooltip="true" label="菜单名称" prop="menuName" width="160" />
      <el-table-column align="center" label="图标" prop="icon" width="100">
        <template slot-scope="scope">
          <i :class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column label="排序" prop="orderNum" width="60" />
      <el-table-column :show-overflow-tooltip="true" label="权限标识" prop="perms" />
      <el-table-column :show-overflow-tooltip="true" label="组件路径" prop="component" />
      <el-table-column :formatter="statusFormat" label="状态" prop="status" width="80" />
      <el-table-column align="center" label="创建时间" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" class-name="small-padding fixed-width" label="操作">
        <template slot-scope="scope">
          <el-button v-hasPermi="['system:menu:edit']"
                     icon="el-icon-edit"
                     size="mini"
                     type="text"
                     @click="handleUpdate(scope.row)"
          >
            修改
          </el-button>
          <el-button
            v-hasPermi="['system:menu:add']"
            icon="el-icon-plus"
            size="mini"
            type="text"
            @click="handleAdd(scope.row)"
          >
            新增
          </el-button>
          <el-button
            v-hasPermi="['system:menu:remove']"
            icon="el-icon-delete"
            size="mini"
            type="text"
            @click="handleDelete(scope.row)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" append-to-body width="600px" :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :normalizer="normalizer"
                :options="menuOptions"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">
                  目录
                </el-radio>
                <el-radio label="C">
                  菜单
                </el-radio>
                <el-radio label="F">
                  按钮
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover
                placement="bottom-start"
                trigger="click"
                width="460"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <i
                    v-if="form.icon"
                    slot="prefix"
                    :class="form.icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" :min="0" controls-position="right" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">
                  是
                </el-radio>
                <el-radio label="1">
                  否
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col v-if="form.menuType == 'C'" :span="12">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'M'" label="权限标识">
              <el-input v-model="form.perms" maxlength="100" placeholder="请输入权限标识" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="显示状态">
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >
                  {{ dict.dictLabel }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >
                  {{ dict.dictLabel }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C'" label="是否缓存">
              <el-radio-group v-model="form.isCache">
                <el-radio label="0">
                  缓存
                </el-radio>
                <el-radio label="1">
                  不缓存
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">
          确 定
        </el-button>
        <el-button @click="cancel">
          取 消
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {addMenu, delMenu, getMenu, listMenu, updateMenu} from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from './IconfontSelect'

export default {
    name: 'Menu',
    components: {Treeselect, IconSelect},
    data() {
        return {
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 菜单表格树数据
            menuList: [],
            // 菜单树选项
            menuOptions: [],
            // 弹出层标题
            title: '',
            // 是否显示弹出层
            open: false,
            // 显示状态数据字典
            visibleOptions: [],
            // 菜单状态数据字典
            statusOptions: [],
            // 查询参数
            queryParams: {
                menuName: undefined,
                visible: undefined
            },
            // 问卷参数
            form: {},
            // 问卷校验
            rules: {
                menuName: [
                    {required: true, message: '菜单名称不能为空', trigger: 'blur'}
                ],
                orderNum: [
                    {required: true, message: '菜单顺序不能为空', trigger: 'blur'}
                ],
                path: [
                    {required: true, message: '路由地址不能为空', trigger: 'blur'}
                ]
            }
        }
    },
    created() {
        this.getList()
        this.getDicts('sys_show_hide').then((response) => {
            this.visibleOptions = response.data
        })
        this.getDicts('sys_normal_disable').then((response) => {
            this.statusOptions = response.data
        })
    },
    methods: {
        // 选择图标
        selected(name) {
            this.form.icon = name
        },
        /** 查询菜单列表 */
        getList() {
            this.loading = true
            listMenu(this.queryParams).then((response) => {
                this.menuList = this.handleTree(response.data, 'id')
                this.loading = false
            })
        },
        /** 转换菜单数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children
            }
            return {
                id: node.id,
                label: node.menuName,
                children: node.children
            }
        },
        /** 查询菜单下拉树结构 */
        getTreeselect() {
            listMenu().then((response) => {
                this.menuOptions = []
                const menu = {id: 0, menuName: '主类目', children: []}
                menu.children = this.handleTree(response.data, 'id')
                this.menuOptions.push(menu)
            })
        },
        // 显示状态字典翻译
        visibleFormat(row, column) {
            if (row.menuType == 'F') {
                return ''
            }
            return this.selectDictLabel(this.visibleOptions, row.visible)
        },
        // 菜单状态字典翻译
        statusFormat(row, column) {
            if (row.menuType == 'F') {
                return ''
            }
            return this.selectDictLabel(this.statusOptions, row.status)
        },
        // 取消按钮
        cancel() {
            this.open = false
            this.reset()
        },
        // 问卷重置
        reset() {
            this.form = {
                id: undefined,
                parentId: 0,
                menuName: undefined,
                icon: undefined,
                menuType: 'M',
                orderNum: undefined,
                isFrame: '1',
                isCache: '0',
                visible: '0',
                status: '0'
            }
            this.resetForm('form')
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList()
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm('queryForm')
            this.handleQuery()
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset()
            this.getTreeselect()
            if (row != null && row.id) {
                this.form.parentId = row.id
            } else {
                this.form.parentId = 0
            }
            this.open = true
            this.title = '添加菜单'
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset()
            this.getTreeselect()
            getMenu(row.id).then((response) => {
                this.form = response.data
                this.open = true
                this.title = '修改菜单'
            })
        },
        /** 提交按钮 */
        submitForm: function() {
            this.$refs['form'].validate((valid) => {
                if (valid) {
                    if (this.form.id != undefined) {
                        updateMenu(this.form).then((response) => {
                            this.msgSuccess('修改成功')
                            this.open = false
                            this.getList()
                        })
                    } else {
                        addMenu(this.form).then((response) => {
                            this.msgSuccess('新增成功')
                            this.open = false
                            this.getList()
                        })
                    }
                }
            })
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', '警告', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(function() {
                return delMenu(row.id)
            }).then(() => {
                this.getList()
                this.msgSuccess('删除成功')
            }).catch(() => {
            })
        }
    }
}
</script>
